Features:100% brand new and high qualityM key M.2 NGFF S SD to PCI-E X4 adapter or B key  M.2 NGFF S SD to SATA adapter.The speed and other properties is not changed, only change the interface type and without any software or drivers.MACth with two kinds of Metal sheet (length: 8cm, 12cm)Compatible with any operating system ( On the premise of operating system must be compatible with your hard disk ).With cooling holes to speed up air circulation.Specifications: Color:As Picture ShowsSize:As Picture ShowsInternal Interface: M Key + B Key Dual PortsSupport Slots: PCI-E 3.0 X4 GEN3 (Compatible with X4 X8 X16 slot)Support Devices: PCI-E specification m.2 NVMe and SATA specification M.2 NGFF diskSupport System: for Windows XP/Vista/7/8/10, Linux, MAC OS.Package Include:1set1 X M.2 NVME to PCIE Adapter1 X Baffle2 X ScrewsNote: 1.Please allow 0.1-0.3cm differences due to manual measurement, thanks.2.Please understand because of the light irradiation or computer display difference, so I  can't guarantee photos and real color is 100% the same.